8
indiscreet(adjective, careless, foolish, casual, bold)
8
injudicious(adjective, careless, foolish, casual, bold)
8
shortsighted(adjective, careless, unmindful, spendthrift)
8
unwary(adjective, careless, wild, foolish, stupid)
7
brash(adjective, careless, foolish, careful, bold)
7
hasty(adjective, careless, foolish, careful, casual)
7
temerarious(adjective, careless, foolish, careful, thoughtless)
7
unthinking(adjective, careless, foolish, casual, bold)
6
happy-go-lucky(adjective, casual, unconcerned, slapdash, nonpreparation)
6
negligent(adjective, careless, casual, bold, thoughtless)
6
shiftless(adjective, careless, extravagant, spendthrift, nonpreparation)
6
uneconomical(adjective, careless, extravagant, thoughtless, incompetent)
5
foolhardy(adjective, careless, foolish, careful, thoughtless)
5
headlong(adjective, careless, wild, foolish, stupid)
5
inconsiderate(adjective, careless, foolish, casual, bold)
5
neglectful(adjective, careless, bold, extravagant, thoughtless)
5
unmindful(adjective, careless, casual, bold, thoughtless)
5
unwise(adjective, careless, foolish, stupid, thoughtless)
4
excessive(adjective, grand, generous, abundant, flush)
4
ill-advised(adjective, careless, foolish, stupid, bold)
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APASmart Define. (2015). improvident thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/improvident/thesaurus/synonyms
ChicagoSmart Define. 2015. "improvident thesaurus" https://smartdefine.org/improvident/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, improvident thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/improvident/thesaurus/synonyms>.
MLASmart Define. "improvident thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/improvident/thesaurus/synonyms>